US Soldiers from the 887th Engineer Company install cement barriers to fortify a Joint Security Station, where American and Iraqi troops will stage during upcoming security operations in Baghdad, Iraq, Sunday, Jan. 28, 2007.
A man removes a bloodied schoolbook at a school gate in a mostly Sunni area of western Baghdad, Iraq, Sunday, Jan. 28, 2007. Mortar shells rained down Sunday on a girls secondary school killing five pupils and wounding 20, witnesses and police said.
A man cleans up the aftermath of two powerful car bomb explosions in Karrada, a predominantly Shiite neighborhood in central Baghdad, Iraq, Friday, Jan. 26, 2007.
A wounded man is treated in al-Kindi hospital in Baghdad, Iraq, Friday, Jan. 26, 2007, after being hurt in an explosion at animal market. A bomb hidden in a box carrying pigeons struck the crowded market in central Baghdad on Friday, killing at least 14 people and wounding dozens, officials and witnesses said.
Residents clean up the aftermath of two powerful car bomb explosions in Karrada, a predominantly Shiite neighborhood in central Baghdad, Iraq, Friday, Jan. 26, 2007.
The sun sets at U.S. military base Camp Liberty in Baghdad, Iraq Thursday, Jan. 25, 2007. Troops are spreading out from the large bases into smaller outposts in Baghdad as the effort shifts to pacifying the Iraqi capital.
An Iraqi soldier holds defused grenades found at Shurja, a predominantly Shiite market, in central Baghdad, Iraq, Thursday, Jan. 25, 2007, after a bomb attached to a motorcycle exploded in a predominantly Shiite market, killing at least four people and wounding 18, police said.
Pilgrims touch the door to the grave of Imam Abbas, brother of Imam Hussein, during Muharram, an important period of mourning for Shiites in Karbala, Iraq, 50 miles south of Baghdad, Thursday, Jan. 25, 2007. The Remembrance of Muharram marks the anniversary of the Battle of Karbala when Imam Hussein, a grandson of Prophet Muhammad was killed.
Iraqi youths return from school as a police pickup truck burns in the district of Amariyah in Baghdad, Iraq, Wednesday Jan. 24, 2007 after it was struck by a suicide car bomber. According to eyewitnesses, three or four policemen inside the truck were killed.
U.S. helicopter flies as smoke rises over the area where U.S. and Iraqi troops clashed with gunmen in a Sunni insurgent stronghold north of the heavily fortified Green Zone in Baghdad, Iraq, Wednesday, Jan. 24 2007.
U.S. military Apache helicopter flies over the area where U.S. and Iraqi troops clashed with gunmen in a Sunni insurgent stronghold north of the heavily fortified Green Zone in Baghdad, Iraq, Wednesday, Jan. 24 2007.
An Iraqi solider secures the site of a bomb explosion Jan. 23, 2007, in Karradah Shiite neighborhood in Baghdad, Iraq. A bomb placed under a car exploded in the Karradha Shiite neighborhood, killing one woman and injuring five others.
An Iraqi girl carries a baby at the site of a bomb explosion Jan. 23, 2007, in Karradah Shiite neighborhood in Baghdad, Iraq.
At the Imam Ali hospital yard in Baghdad, Iraq, people look for relatives killed in Monday's twin car bombing in the Shiite enclave of Sadr City at Bab al-Sharqi market, Tuesday Jan. 23, 2007.
Women leave their damaged home after a car-bomb blast in the predominantly Shiite commercial district of Karradah in downtown Baghdad, Iraq, Tuesday, Jan. 23, 2007.
A woman reacts at the scene of a car-bomb blast in the predominantly Shiite commercial district of Karradah in downtown Baghdad, Iraq, Tuesday, Jan. 23, 2007.
A wounded man rests in al-Kindi hospital in Baghdad, Iraq, Monday Jan. 22, 2007. Two nearly simultaneous bombs struck a predominantly Shiite commercial area in central Baghdad, killing at least 78 people and wounding at least 156, said Deputy Health Minister Hakim al-Zamili.
A man wounded in the twin car-bomb attacks sits outside a hospital in Baghdad, Iraq, Monday, Jan. 22, 2007.
A relative of a policeman who was kidnapped and later found dead cries after collecting his body from Yarmouk hospital in Baghdad, Iraq, Monday, Jan. 22, 2007.
A wounded man is placed on top of a dead one after two bombs struck predominantly Shiite commercial area in central Baghdad, Iraq.